<template>
    <div class="UploadImage">
        <el-upload class="avatar-uploader" action="http://localhost:8086/common/upload" :show-file-list="false"
            :on-success="handleAvatarSuccess" :before-upload="beforeAvatarUpload">
            <img v-if="imageUrl" :src="imageUrl" class="avatar">
            <i v-else class="el-icon-plus avatar-uploader-icon" />
        </el-upload>
    </div>
</template>
 
<script>
export default {
    name: "UploadImage",
    data() {
        return {
            imageUrl: '',
        }
    },
    methods: {
        handlerUpload(file) {
            console.log(file)
            this.$emit('input', this.imageUrl)
            console.log(this.imageUrl);
        },
        handleAvatarSuccess(res, file) {
            this.imageUrl = URL.createObjectURL(file.raw)
        },
        beforeAvatarUpload(file) {
            const isLt2M = file.size / 1024 / 1024 < 2
            if (!isLt2M) {
                this.$message.error('上传头像图片大小不能超过 2MB!')
            }
            return isLt2M
        }
    }
}
</script>
 
<style>
.avatar-uploader .el-upload {
    border: 1px dashed #d9d9d9;
    border-radius: 6px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.avatar-uploader .el-upload:hover {
    border-color: #409eff;
}

.avatar-uploader-icon {
    font-size: 28px;
    color: #8c939d;
    width: 100px;
    height: 100px;
    line-height: 100px;
    text-align: center;
}

.avatar {
    width: 178px;
    height: 178px;
    display: block;
}
</style>